diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -745,17 +745,17 @@ Notes:
 A more realistic example would look like this::
 
    try:
        retcode = call("mycmd" + " myarg", shell=True)
        if retcode < 0:
            print >>sys.stderr, "Child was terminated by signal", -retcode
        else:
            print >>sys.stderr, "Child returned", retcode
-   except OSError, e:
+   except OSError as e:
        print >>sys.stderr, "Execution failed:", e
 
 
 Replacing the :func:`os.spawn <os.spawnl>` family
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 P_NOWAIT example::